1112918Sjeff/* 2112918Sjeff * Copyright (c) 1995 John Birrell <jb@cimlogic.com.au>. 3112918Sjeff * All rights reserved. 4112918Sjeff * 5112918Sjeff * Redistribution and use in source and binary forms, with or without 6112918Sjeff * modification, are permitted provided that the following conditions 7112918Sjeff * are met: 8112918Sjeff * 1. Redistributions of source code must retain the above copyright 9112918Sjeff * notice, this list of conditions and the following disclaimer. 10112918Sjeff * 2. Redistributions in binary form must reproduce the above copyright 11112918Sjeff * notice, this list of conditions and the following disclaimer in the 12112918Sjeff * documentation and/or other materials provided with the distribution. 13165967Simp * 3. Neither the name of the author nor the names of any co-contributors 14112918Sjeff * may be used to endorse or promote products derived from this software 15112918Sjeff * without specific prior written permission. 16112918Sjeff * 17112918Sjeff * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND 18112918Sjeff * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19112918Sjeff * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20112918Sjeff * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21112918Sjeff * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22112918Sjeff * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23112918Sjeff * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24112918Sjeff * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25112918Sjeff * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26112918Sjeff * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27112918Sjeff * SUCH DAMAGE. 28112918Sjeff * 29112918Sjeff * $FreeBSD$ 30112918Sjeff */ 31144518Sdavidxu 32157457Sdavidxu#include "namespace.h" 33112918Sjeff#include <signal.h> 34112918Sjeff#include <errno.h> 35112918Sjeff#include <stdlib.h> 36112918Sjeff#include <pthread.h> 37157457Sdavidxu#include "un-namespace.h" 38144518Sdavidxu 39112918Sjeff#include "thr_private.h" 40112918Sjeff 41179662Sdavidxu#undef pthread_cleanup_push 42179662Sdavidxu#undef pthread_cleanup_pop 43179662Sdavidxu 44179662Sdavidxu/* old binary compatible interfaces */ 45112918Sjeff__weak_reference(_pthread_cleanup_push, pthread_cleanup_push); 46112918Sjeff__weak_reference(_pthread_cleanup_pop, pthread_cleanup_pop); 47112918Sjeff 48112918Sjeffvoid 49179662Sdavidxu__pthread_cleanup_push_imp(void (*routine)(void *), void *arg, 50179662Sdavidxu struct _pthread_cleanup_info *info) 51112918Sjeff{ 52144518Sdavidxu struct pthread *curthread = _get_curthread(); 53179662Sdavidxu struct pthread_cleanup *newbuf; 54112918Sjeff 55179662Sdavidxu newbuf = (void *)info; 56179662Sdavidxu newbuf->routine = routine; 57179662Sdavidxu newbuf->routine_arg = arg; 58179662Sdavidxu newbuf->onheap = 0; 59179662Sdavidxu newbuf->prev = curthread->cleanup; 60179662Sdavidxu curthread->cleanup = newbuf; 61112918Sjeff} 62112918Sjeff 63112918Sjeffvoid 64179662Sdavidxu__pthread_cleanup_pop_imp(int execute) 65112918Sjeff{ 66144518Sdavidxu struct pthread *curthread = _get_curthread(); 67112918Sjeff struct pthread_cleanup *old; 68112918Sjeff 69112918Sjeff if ((old = curthread->cleanup) != NULL) { 70179662Sdavidxu curthread->cleanup = old->prev; 71179662Sdavidxu if (execute) 72112918Sjeff old->routine(old->routine_arg); 73179662Sdavidxu if (old->onheap) 74144518Sdavidxu free(old); 75112918Sjeff } 76112918Sjeff} 77179662Sdavidxu 78179662Sdavidxuvoid 79179662Sdavidxu_pthread_cleanup_push(void (*routine) (void *), void *arg) 80179662Sdavidxu{ 81179662Sdavidxu struct pthread *curthread = _get_curthread(); 82179662Sdavidxu struct pthread_cleanup *newbuf; 83213163Sdavidxu#ifdef _PTHREAD_FORCED_UNWIND 84213159Sdavidxu curthread->unwind_disabled = 1; 85213163Sdavidxu#endif 86179662Sdavidxu if ((newbuf = (struct pthread_cleanup *) 87282224Spfg malloc(sizeof(struct pthread_cleanup))) != NULL) { 88179662Sdavidxu newbuf->routine = routine; 89179662Sdavidxu newbuf->routine_arg = arg; 90179662Sdavidxu newbuf->onheap = 1; 91179662Sdavidxu newbuf->prev = curthread->cleanup; 92179662Sdavidxu curthread->cleanup = newbuf; 93179662Sdavidxu } 94179662Sdavidxu} 95179662Sdavidxu 96179662Sdavidxuvoid 97179662Sdavidxu_pthread_cleanup_pop(int execute) 98179662Sdavidxu{ 99179662Sdavidxu __pthread_cleanup_pop_imp(execute); 100179662Sdavidxu} 101